On Shortest Networks for Classes of Points in the Plane.

Edmund Ihler Gabriele Reich Peter Widmayer On Shortest Networks for Classes of Points in the Plane. 103-111 1991 conf/cga/1991 Workshop on Computational Geometry db/conf/cga/cga1991.html#IhlerRW91 http://dx.doi.org/10.1007/3-540-54891-2_8